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Publications Influence

D-branes, monopoles and Nahm equations

- Duiliu-Emanuel Diaconescu
- Physics
- 23 August 1996

Abstract We study the correspondence between 11b solitonic 1-branes and monopoles in the context of the 3-brane realization of D = 4 N = 4 super Yang-Mills theory. We show that a bound state of… Expand

276 29- PDF

Fractional branes and boundary states in orbifold theories

- Duiliu-Emanuel Diaconescu, J. Gomis
- Physics
- 30 June 1999

We study the D-brane spectrum of = 2 string orbifold theories using the boundary state formalism. The construction is carried out for orbifolds with isolated singularities, non-isolated singularities… Expand

190 20- PDF

Fractional branes and wrapped branes

- Duiliu-Emanuel Diaconescu, M. Douglas, J. Gomis
- Physics
- 24 December 1997

We discuss the ``fractional D-branes'' which arise in orbifold resolution. We argue that they arise as subsectors of the Coulomb branch of the quiver gauge theory used to describe both string theory… Expand

215 9- PDF

D-branes on Stringy Calabi-Yau Manifolds

- Duiliu-Emanuel Diaconescu, M. Douglas
- Physics
- 28 June 2000

We argue that D-branes corresponding to rational B boundary states in a Gepner model can be understood as fractional branes in the Landau-Ginzburg orbifold phase of the linear sigma model… Expand

98 8- PDF

Fractional Branes in Landau-Ginzburg Orbifolds

- S. Ashok, E. Dell’Aquila, Duiliu-Emanuel Diaconescu
- Physics, Mathematics
- 20 January 2004

We construct fractional branes in Landau-Ginzburg orbifold categories and study their behavior under marginal closed string perturbations. This approach is shown to be more general than the rational… Expand

78 8- PDF

Intermediate Jacobians and ADE Hitchin Systems

- Duiliu-Emanuel Diaconescu, R. Donagi, T. Pantev
- Physics, Mathematics
- 21 July 2006

Let $\Sigma$ be a smooth projective complex curve and $\mathfrak{g}$ a simple Lie algebra of type ${\sf ADE}$ with associated adjoint group $G$. For a fixed pair $(\Sigma, \mathfrak{g})$, we… Expand

33 6- PDF

Enhanced D-Brane Categories from String Field Theory

- Duiliu-Emanuel Diaconescu
- Physics
- 23 April 2001

We construct D-brane categories in B-type topological string theory as solutions to string field equations of motion. Using the formalism of superconnections, we show that these solutions form a… Expand

72 6- PDF

Geometric engineering of (framed) BPS states

- Wu-yen Chuang, Duiliu-Emanuel Diaconescu, J. Manschot, G. Moore, Y. Soibelman
- Physics, Mathematics
- 14 January 2013

BPS quivers for $\mathcal{N} = 2 \: SU(N)$ gauge theories are derived via geometric engineering from derived categories of toric Calabi-Yau threefolds. While the outcome is in agreement of previous… Expand

67 6- PDF

Black string entropy and Fourier-Mukai transform

- I. Bena, Duiliu-Emanuel Diaconescu, B. Florea
- Physics
- 5 October 2006

We propose a microscopic description of black strings in F-theory based on string duality and Fourier-Mukai transform. These strings admit several different microscopic descriptions involving D-brane… Expand

21 6- PDF

Spectral covers, charged matter and bundle cohomology

- Duiliu-Emanuel Diaconescu, Gheorghe Ionesei
- Physics
- 13 November 1998

We consider four dimensional heterotic compactifications on smooth elliptic Calabi-Yau threefolds. Using spectral cover techniques, we study bundle cohomology groups corresponding to charged matter… Expand

44 6- PDF

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